Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : F (4/3)f (3/4)f (7/3)f F (4/3)f (3/4)f (7/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon which causes mirage is Interference Total internal reflection Diffraction Polarisation Interference Total internal reflection Diffraction Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics Rear view mirror of car is convex or concave? Concave Can't be determined Both A & B Convex Concave Can't be determined Both A & B Convex ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As a parallel beam in one direction As parallel beams in all directions As diffused beams in all directions As a diffused beam in one direction As a parallel beam in one direction As parallel beams in all directions As diffused beams in all directions As a diffused beam in one direction ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 20 cm 10 cm 5 cm 15 cm 20 cm 10 cm 5 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
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